2017 Copa Sudamericana
The 2017 Copa CONMEBOL Sudamericana was the 16th edition of the CONMEBOL Sudamericana, South America's secondary club football tournament organized by CONMEBOL.
Argentinian club Independiente defeated Brazilian club Flamengo in the finals by an aggregate score of 3–2 to win their second tournament title. As champions, Independiente earned the right to play against the winners of the 2017 Copa Libertadores in the 2018 Recopa Sudamericana, and the winners of the 2017 J.League Cup in the 2018 Suruga Bank Championship. They also automatically qualified for the 2018 Copa Libertadores group stage.
Chapecoense were the defending champions, but were eliminated by Flamengo in the round of 16. They qualified for the tournament after finishing third in their 2017 Copa Libertadores group.
Format changes
Starting from this season, the following format changes were implemented:- The tournament was expanded from 47 to 54 teams.
- A total of 44 teams directly entered the Copa Sudamericana, while a total of 10 teams eliminated from the Copa Libertadores were transferred to the Copa Sudamericana.
- The schedule of the tournament was extended to year-round so it would start in March and conclude in early December.
- As the Copa Libertadores and the Copa Sudamericana would be held concurrently, no team would be able to qualify for both tournaments in the same year.
- The Copa Sudamericana champions would no longer directly qualify for the next edition as they would now directly qualify for the group stage of the Copa Libertadores.
- Brazil would be allocated six berths, decreased from eight.
- All teams directly entering the Copa Sudamericana would enter the [|first stage].
Teams
- Argentina and Brazil: 6 berths each
- All other associations: 4 berths each
| Association | Team | Qualification method |
 Argentina6 berths | Independiente | 2016 Primera División best team not qualified for 2017 Copa Libertadores |
| Argentina 6 berths | Arsenal | 2016 Primera División 2nd best team not qualified for 2017 Copa Libertadores |
| Argentina 6 berths | Defensa y Justicia | 2016 Primera División 3rd best team not qualified for 2017 Copa Libertadores |
| Argentina 6 berths | Huracán | 2016 Primera División 4th best team not qualified for 2017 Copa Libertadores |
| Argentina 6 berths | Gimnasia y Esgrima | 2016 Primera División 5th best team not qualified for 2017 Copa Libertadores |
| Argentina 6 berths | Racing | 2016 Primera División 6th best team not qualified for 2017 Copa Libertadores |
 Bolivia4 berths | Bolívar | 2015–16 Primera División aggregate table best team not qualified for 2017 Copa Libertadores |
| Bolivia 4 berths | Oriente Petrolero | 2015–16 Primera División aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
| Bolivia 4 berths | Nacional Potosí | 2015–16 Primera División aggregate table 3rd best team not qualified for 2017 Copa Libertadores |
| Bolivia 4 berths | Petrolero | 2015–16 Primera División aggregate table 4th best team not qualified for 2017 Copa Libertadores |
 Brazil6 berths | Corinthians | 2016 Campeonato Brasileiro Série A best team not qualified for 2017 Copa Libertadores |
| Brazil 6 berths | Ponte Preta | 2016 Campeonato Brasileiro Série A 2nd best team not qualified for 2017 Copa Libertadores |
| Brazil 6 berths | São Paulo | 2016 Campeonato Brasileiro Série A 3rd best team not qualified for 2017 Copa Libertadores |
| Brazil 6 berths | Cruzeiro | 2016 Campeonato Brasileiro Série A 4th best team not qualified for 2017 Copa Libertadores |
| Brazil 6 berths | Fluminense | 2016 Campeonato Brasileiro Série A 5th best team not qualified for 2017 Copa Libertadores |
| Brazil 6 berths | Sport Recife | 2016 Campeonato Brasileiro Série A 6th best team not qualified for 2017 Copa Libertadores |
 Chile4 berths | O'Higgins | 2016 Primera División runners-up playoff losers |
| Chile 4 berths | Palestino | 2016 Apertura best team not qualified for 2017 Copa Libertadores |
| Chile 4 berths | Universidad de Chile | 2016 Apertura 2nd best team not qualified for 2017 Copa Libertadores |
| Chile 4 berths | Everton | 2016 Copa Chile best team not qualified for 2017 Copa Libertadores |
 Colombia4 berths | Deportes Tolima | 2016 Copa Colombia best team not qualified for 2017 Copa Libertadores |
| Colombia 4 berths | Deportivo Cali | 2016 Primera A aggregate table best team not qualified for 2017 Copa Libertadores |
| Colombia 4 berths | Patriotas | 2016 Primera A aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
| Colombia 4 berths | Rionegro Águilas | 2016 Primera A aggregate table 3rd best team not qualified for 2017 Copa Libertadores |
 Ecuador4 berths | LDU Quito | 2016 Serie A aggregate table best team not qualified for 2017 Copa Libertadores |
| Ecuador 4 berths | Deportivo Cuenca | 2016 Serie A aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
| Ecuador 4 berths | Universidad Católica | 2016 Serie A aggregate table 3rd best team not qualified for 2017 Copa Libertadores |
| Ecuador 4 berths | Fuerza Amarilla | 2016 Serie A aggregate table 4th best team not qualified for 2017 Copa Libertadores |
 Paraguay4 berths | Cerro Porteño | 2016 Primera División aggregate table best team not qualified for 2017 Copa Libertadores |
| Paraguay 4 berths | Sol de América | 2016 Primera División aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
| Paraguay 4 berths | Nacional | 2016 Primera División aggregate table 3rd best team not qualified for 2017 Copa Libertadores |
| Paraguay 4 berths | Sportivo Luqueño | 2016 Primera División aggregate table 4th best team not qualified for 2017 Copa Libertadores |
 Peru4 berths | Alianza Lima | 2016 Descentralizado aggregate table best team not qualified for 2017 Copa Libertadores |
| Peru 4 berths | Comerciantes Unidos | 2016 Descentralizado aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
| Peru 4 berths | Sport Huancayo | 2016 Descentralizado aggregate table 3rd best team not qualified for 2017 Copa Libertadores |
| Peru 4 berths | Juan Aurich | 2016 Descentralizado aggregate table 4th best team not qualified for 2017 Copa Libertadores |
 Uruguay4 berths | Danubio | 2016 Primera División best team not qualified for 2017 Copa Libertadores |
| Uruguay 4 berths | Defensor Sporting | 2016 Primera División 2nd best team not qualified for 2017 Copa Libertadores |
| Uruguay 4 berths | Liverpool | 2016 Primera División 3rd best team not qualified for 2017 Copa Libertadores |
| Uruguay 4 berths | Boston River | 2016 Primera División 4th best team not qualified for 2017 Copa Libertadores |
 Venezuela4 berths | Estudiantes de Caracas | 2016 Copa Venezuela best team not qualified for 2017 Copa Libertadores |
| Venezuela 4 berths | Atlético Venezuela | 2016 Clausura classification table best team not qualified for 2017 Copa Libertadores |
| Venezuela 4 berths | Caracas | 2016 Primera División aggregate table best team not qualified for 2017 Copa Libertadores |
| Venezuela 4 berths | Deportivo Anzoátegui | 2016 Primera División aggregate table 2nd best team not qualified for 2017 Copa Libertadores |
A further 10 teams eliminated from the 2017 Copa Libertadores were transferred to the Copa Sudamericana, entering the [|second stage].
| Best teams eliminated in third stage |
| Olimpia |
| Junior |
| Third-placed teams in group stage |
| Estudiantes |
| Santa Fe |
| Independiente Medellín |
| Flamengo |
| Atlético Tucumán |
| Libertad |
| Chapecoense |
| Deportes Iquique |
Schedule
The schedule of the competition was as follows.| Stage | Draw date | First leg | Second leg |
| First stage | 31 January 2017 | ||
| Second stage | 14 June 2017 | ||
| Round of 16 | 14 June 2017 | ||
| Quarterfinals | 14 June 2017 | 24–26 October 2017 | 31 October – 2 November 2017 |
| Semifinals | 14 June 2017 | 21, 23 November 2017 | 28, 30 November 2017 |
| Finals | 14 June 2017 | 6 December 2017 | 13 December 2017 |